Finishing or polishing mechanism



June 17 1924.

S. AN DRZEJEWSKI FINISHING 0RA POLISHING MECHANISM Y2 Sheets-$heet ll Filed March 29. 1923 NNI mln..

u L: L .Minlilnjujwwl www@ June 1.7 192A. 1,45%,337

y l vs. ANDRZEJEWSKI Y FINISHING 0R POLISHING' MECHANISM Filed MaICh 29. 1923 2 Sheets-Sheet 2- Patented .lune l?, 1924.

HT f f ffii" NT irirff.I 'i

. STEPHEN ANDRZEJEWSKI, OF GRAND RAPIDS, lVIICI-IilGifAN, ASSIGNOR O'F NE-Ir-IALF T0 EGBERT DE HAAN, OF GRAND RAPIDS, MICHIGAN. f i

unisi-inve oaronrsnnve MECHANISM.

Application led March 29, 1923. Serial No. 628,680.

y finishers for work turning in ay lathe; and

its object is, generally, to pro'vide'mechanism of that character improved as hereinafter appears; and, more particularly. to provide in such mechanism means for support-ing its finishing, polishing .or-"abrading element and for moving the same into and out of contact with the workandv also in a direction transverse to said movement; and further, to provide in such mechanism separate nishing elements supported resiliently invcontact with the work; and further, to provide separate resilient supporting members for said elements respectively; andvfurther, to provide such elements fand members which may be severally applied'to and removed from the mechanism.

This and any other objectshereinafter appearing are attained by, and the invention finds preferable embodiment in, the structure hereinafter particularly described in the body of this specification and illustrated by the accompanying drawings, in which Figure 1 is a front view of a. lathe to which my surface-finisher is applied, partly vertically sectioned on line 1 1 of Figure 3;

Figure 2 is a transverse sectional view of parts thereof taken on a vertical plane corresponding to line 2 2 of Figure l;

Figure 3 is a left hand end view of the same;

Figure 4 is a top plan view of a middle portion of my surface-finisher and of a portion of the work being finished thereby;

Figure 5` is a transverse sectional view (much enlarged) of a portion of my surface-finisher taken on a vertical plane corresponding to line 5 5 of Figure 2; and

Figure 6 is a front view of a middle portion of my surface-finisher, partly sectioned vertically on line 6 6 of Figure4.

In the embodiment of the invention chosen for illustration by the drawings and for detailed 'description in the'body-of this specification, my surface-finisher is: shown applied, preferably detachably asby 'screws 1, to the bed 2 -ofa lathe havingthe live head stock 3 and dead head stock 4 on which rotates the turned work 5. A pair of arms 6, 6 are mounted at k7, in connection with the lathes bed, on the base 8 of the surfacefinisher, swingably toward yand away from y the rotary axis of the Work 5.I A lever, designated I generally 9v and comprising a strip 10, extensions 11v andl an `operating handle12 is fulcrumed at 13 on the ar1ns'6 swingably transversely to the arms :swingable movement. y i k'3 i" A surface-finishing element 14, ora Aseries of such elements, are removably` clamped by the rclamp members 15, '16' carried by the lever 9, such elements being preferably flexible sheets of sand paper as shown.,'Said seriesI of surface-finishing elements-extends in the axial direction vof the work. 73A' cor'- respondino` series, extending in they same direction, of resilient members-` 17 are 'removably clamped by the clamp "members 18,'*10 carried-by the lever, and underlie 'and' yield-1v ingly support the surface-finishingelements 14 respectively, vsuch members preferably consisting of resilient fibers., suchas ybrooml straw extending in a direction transverse to the rotary axis of the work, as shown.

It will be seen that by reason of the combined swinging movements of the arms 6 and of the lever 9 and parts carried thereby, the surface-finishing elements 14 may be moved by the handle 12 upwardly into contact with the work and also in a direction transverse to said contacting movement; so that practically the entire polishing or finishing upper surfaces ofvsaid elements may from time to time be used in surfacefinishing or polishing the turning work, thus wearing said polishing surfaces of said elements as uniformly as may be desired and in the most economical manner. The advantage in providing a series of separately movable surface-finishing elements 14 is particularly illustrated in Figure 4, wherein a work piece 5 having ridges and gutters is shown. These elements 14 are, by reason of their separate action, adapted to be yieldingly pressed against such ridges and gutters.

It will be seen that the surface-finishing elements 14: and resilienty members 17 may be separately removed when worn and replaced by others.

` The 4clamp members 15, 16 are ,operated by" thlnb screws 20, and the clampmembers 18, 10 by screws 21.

The rinvention being vintended to.` be

, pointed out in the claims, is not to be limited to or by details of construction of the par' ticular embodiment thereof illustrated by the, drawings or hereinbefore shown or described.

IclaimZ-v i e l, p 1. In co :bination with a lathe, a surface-v finisher for work in the lathe, comprising: an

. arm` mounted in connection with the lathes swingab'ly towardand away from the rfita'ryaxislof the work;v a lever ulcru'medv inten-rid outof contact with the work ,the lathe and also ina direction transverse to its" movement into and out-of such contact.v 12, combination with a lathe, a surface-v ni'she'r `for workin theV lathe, comprising:

. iai-lever vlongtitudinall'ylmov'alfjle and mounted in cnnection with the lathes bed swingably toward andaway from the rotary. axis of the work; aresilient member carried by the lever; Seriesextendingin ythe axial direc-4 tionlofthe work,.of surface-finishing` elements carried bythe lever between the work said vinfraiber and yieldingly supported bysaid member. f f 3. .In cfombination'with Va lathe, a surface'n for :work inthe lathe, comprising:

a lever longitudinally movable and mountedinconnectionwiththe lath'es 'bed swingably towardandv away from the rotary axis of the work; a series, extending in the axial direction of the work, of resilient members carried Vby the lever; a series, extending in said direction, of surface-finishing elements carried by the lever between the work and said members and yieldingly supported by said members respectively. t

4. In combination with a lathe, a surfaceiinisher forwoik in the lathe', comprising.: a lever longitudinally movable and mounted in connection with the lathes bed swingably `toward and away from the rotary axso'f 'the work.; ya resilient member carried by'vth leverand comprising resilient fibers extending ina direction transverse' to saidaxis; a sei ries, extending in the axial dire'ctio'o the work, `o i' vsurface-finishing' elements carried by the' lever between'the work and' said inember and yieldinglysupported by said mem: ber.` l 5. In combination with a lathe, a surface# yfinisher for workin the lathe, comprising:

i an arm .A 4mounted` in co'nnefctionl withy the lathesy bed swingably toward andjaway from Athe' rotary axis 'of lthe workg" aleverY ful'- crumed on the 'arm' swingablyf` transversely toy thearms swingablepmoveme'nt; a resilient member lcarried' by the lever;` a series, extending'in the axial' directi' ofthe work, of surface-finishing elements carrie'dfby the lever between the work and said Iiieinber and yieldingly supported by saidfmemb'er.

In testimony whereof I have hereunto set hand at Grand Rapids, 'Michigam this 24th day of March 1923. f

STEPHEN ANDRZEJEvVsKI 

